<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title></title>
	<style>
		/*div{
			font-size: 30px;
		}
		.active{
			color: green;
		}
		div.active{
			text-decoration: underline;
		}*/
		div{
			color: red;
		}
		div.active{
			color: green;
		}
	</style>

</head>
<body>
	<div class="active">alex</div>
	
</body>
</html>